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US7318263B2 - Device for compression crimping - Google Patents

Device for compression crimping Download PDF

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Publication number
US7318263B2
US7318263B2 US10/482,489 US48248904A US7318263B2 US 7318263 B2 US7318263 B2 US 7318263B2 US 48248904 A US48248904 A US 48248904A US 7318263 B2 US7318263 B2 US 7318263B2
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US
United States
Prior art keywords
yarn
channel
chamber wall
ceramic material
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US10/482,489
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English (en)
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US20040237211A1 (en
Inventor
Mathias Stündl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neumag GmbH and Co KG
Oerlikon Textile GmbH and Co KG
Original Assignee
Saurer GmbH and Co KG
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Application filed by Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Assigned to NEUMAG GMBH & CO. KG reassignment NEUMAG GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STONDL, MATHIAS
Publication of US20040237211A1 publication Critical patent/US20040237211A1/en
Assigned to SAURER GMBH & CO. KG reassignment SAURER GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NEUMAG GMBH & CO KG
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D02G1/122—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes introducing the filaments in the stuffer box by means of a fluid jet

Definitions

  • the invention relates to a device for the stuffer box crimping of a synthetic multifilament yarn.
  • German Patent Application 101 32 148.1 of Jul. 3, 2001 and PCT/EP02/07161 of Jun. 28, 2002 are incorporated herein by reference.
  • the device comprises a conveying nozzle and a stuffer box arranged downstream from the conveying nozzle.
  • the yarn is conveyed by means of the conveying nozzle into the stuffer box, compressed to a yarn plug and thereby stuffer box crimped.
  • the conveying nozzle is loaded with a conveying medium, preferably a hot gas, which conveys the yarn within the yarn channel to the stuffer box.
  • the yarn plug is formed inside the stuffer box.
  • the multifilament yarn deposits itself in loops on the surface of the yarn plug and is compressed by the conveying medium, which can discharge above the yarn plug out of the stuffer box.
  • the chamber wall of the stuffer box comprises several slot-shaped openings on the perimeter through which the conveying medium can escape.
  • plug formation must result with very high uniformity in the stuffer box.
  • the friction forces caused by the relative motion of the yarn plug in the stuffer box have a substantial impact on the texturizing process.
  • a counterbalance of forces exists between the conveying effect, or the dynamic pressure effect of the conveying medium flowing from the yarn channel of the conveying nozzle, and the braking action resulting from the friction forces on the yarn plug. Adjusting the conveying pressure, or adjusting additional suction of the conveying medium, essentially determines the conveying effect.
  • the braking action resulting from the friction between the yarn plug and the chamber wall essentially depends on the condition of the chamber wall.
  • one task of the present invention is to further improve a stuffer box crimping device for synthetic multifilament yarn in such a manner that uniform crimping is ensured in the yarn, even during very prolonged operation.
  • a device for compressing a synthetic, multifilament yarn including a conveying nozzle and a stuffer box.
  • the conveying nozzle includes a yarn channel for guiding and conveying the yarn.
  • the stuffer box is arranged at the end of the yarn channel to form and collect a yarn plug.
  • the stuffer box includes a yarn inlet, a plug outlet, and at least a section with a gas-permeable chamber wall between the yarn inlet and the plug outlet.
  • the gas-permeable chamber wall includes a friction surface made of wear-resistant material on an inner side facing the yarn plug.
  • the friction surface of the section may be a coating applied to the surface of the gas-permeable chamber wall.
  • the gas-permeable chamber wall is a ceramic material that forms the friction surface on the surface of chamber wall.
  • the gas-permeable chamber wall may be formed as a cylindrical body with elongated slots evenly distributed along the circumference.
  • the gas-permeable chamber wall may be formed by a plurality of blades arranged in a ring-shape with little separation distance from each other.
  • the stuffer box may include an additional section downstream from the section with the gas-permeable chamber wall.
  • the additional section includes an enclosed chamber wall.
  • the enclosed chamber wall includes a contact surface made of wear-resistant material on the inner side facing the yarn plug.
  • the friction surface of the additional section may be a coating applied to the surface of the enclosed chamber wall.
  • the enclosed chamber wall is a ceramic material that forms the friction surface on the surface of chamber wall.
  • the contact surfaces contacted by the yarn within the conveying nozzle may be at least partially formed from a wear-resistant material.
  • the wear-resistant material may be in the form of a coating or a ceramic material.
  • the conveying nozzle may include a guide insert forming an inlet of the yarn channel.
  • the guide insert includes an intake channel arranged as an extension of the yarn channel.
  • the conveying nozzle may include a second guide insert forming the outlet of the yarn channel.
  • the second guide insert may be manufactured from a ceramic material or coated on its surface.
  • the conveying nozzle may include a third guide insert forming the air inlet into the yarn channel.
  • the third guide insert forms a guide channel arranged as an extension of the yarn channel.
  • the third guide insert forms an outlet channel arranged as an extension of the yarn channel.
  • the guide inserts may be manufactured from a ceramic material or coated on its surface.
  • the third guide insert may further include an insert forming the inlet of the guide channel.
  • the insert forms an intake channel arranged as an extension of guide channel.
  • the inserts may be manufactured from a ceramic material or coated on its surface.
  • Any one of a conveying device, cooling device, and a conveying device in combination with a cooling device may be arranged downstream from the stuffer box in the yarn's direction of travel.
  • the conveying device and the cooling device may include a coating on the contact surfaces contacted by the yarn plug.
  • the invention is based on the knowledge that depositing of the yarn on the yarn plug surface by self-shaping loops and coils significantly influences crimp uniformity.
  • the balance of forces between the conveying effect and the brake action at the yarn plug resulting from the friction must be held constant.
  • the device according to this invention in that the gas-permeable chamber wall comprises a friction surface made of wear-resistant material on the inner side facing the yarn plug.
  • the wear-resistant material on the surface of the chamber wall can be constructed essentially from two variants.
  • the friction surface is formed by a coating applied to the chamber wall surface.
  • This coating could consist, for example, of a ceramic material, a chrome oxide or a carbon coating.
  • the friction surface is formed by a chamber wall manufactured from a ceramic material.
  • the chamber wall can be manufactured out of ceramic materials such as zircon oxide, aluminum oxide or a combination of both.
  • ceramic coatings or ceramic materials, also achieves a corrosion-resistant gas-permeable wall and decreased fallibility to fouling. In particular, deposits caused by preparation residue may be avoided. Even after a maintenance period, the same friction specifications are achieved when operating the device as prior to shutting down the facility.
  • the gas-permeable chamber wall can be designed as a cylindrical body with evenly distributed elongated slots along its circumference.
  • an especially preferred embodiment has a gas-permeable chamber wall with a plurality of blades that are arranged in a ring-shape with clearance from each other.
  • an additional section with an enclosed chamber wall may be provided.
  • the stuffer box includes an additional section with an enclosed chamber wall.
  • the additional section is downstream from the section with the gas-permeable chamber wall.
  • the enclosed chamber wall includes a contact surface comprised of a wear-resistant material on the inner side facing the yarn plug.
  • the contact surface could be formed by a coating applied to the surface of the chamber wall or by a chamber wall manufactured from ceramic material.
  • the contact surfaces contacted by the yarn within the conveying nozzle are at least partially formed from a wear-resistant material in the form of a coating or a ceramic material.
  • a wear-resistant material in the form of a coating or a ceramic material.
  • the inlet of the yarn channel is formed by means of a guide insert in the conveying nozzle.
  • the guide insert which can be manufactured from a ceramic material or carry a coating on its surface, forms an intake channel as an extension of the yarn channel. Wear, in particular, at the yarn's entry into the conveying nozzle is thereby avoided.
  • Using ceramic materials or ceramic coatings also enables a very low friction guidance of the yarn.
  • the conveying nozzle could also comprise a guide insert forming the yarn channel's outlet, which is also manufactured from a ceramic material or carries a coating on its surface. The yarn thereby leaves the conveying nozzle through the guide insert's outlet channel.
  • a conveying medium preferentially hot air or a hot gas
  • the air inlet into the yarn channel is formed by means of a guide insert, according to a preferred embodiment of the invention.
  • the guide insert comprises a guide channel that is arranged as an extension of the yarn channel.
  • the guide insert is also made of a ceramic material or carries a coating on its surface.
  • the third guide insert includes an additional insert forming the inlet of the guide channel.
  • the additional insert forms an intake channel arranged as an extension of the guide channel.
  • the additional insert is either manufactured from a ceramic material or coated on its surface.
  • the third guide insert in the area of the air inlet includes the additional insert in the inlet of the guide channel. In this manner, yarn guidance is stabilized and disturbances affecting the yarn are avoided.
  • a cooling device is arranged downstream from the stuffer box at the plug outlet.
  • a conveying device is provided between the cooling device and the stuffer box to guide the yarn plug.
  • the conveying device and the cooling device comprise a coating on the contact surfaces contacted by the yarn plug.
  • FIG. 1 schematically depicts an initial embodiment of the device in accordance with this invention in a cross-sectional view
  • FIG. 2 schematically depicts an additional embodiment of the device in accordance with this invention in a sectional cross-section
  • FIG. 3.1 schematically depicts an embodiment of a conveying nozzle in a cross-sectional, exploded view
  • FIG. 3.2 schematically depicts an embodiment of a conveying nozzle in a cross-sectional view.
  • FIG. 1 schematically depicts a cross-sectional view of an initial embodiment of the device in accordance with this invention.
  • the device consists of conveying nozzle 1 and stuffer box 2 arranged downstream from conveying nozzle 1 .
  • Conveying nozzle 1 comprises yarn channel 3 that forms inlet 21 on one end and outlet 24 on the opposite end.
  • Conveying nozzle 1 is connected to a pressure source (not depicted) by means of feed line 17 .
  • Feed line 17 is connected to yarn channel 3 by air inlet 16 and pressure chamber 39 .
  • Air inlet 16 is formed by several boreholes that supply a conveying medium in yarn travel direction, marked by an arrow, to yarn channel 3 .
  • Yarn channel 3 merges into yarn channel 31 of stuffer box 2 by means of outlet 24 .
  • Stuffer box 2 is formed by section 7 . 1 facing conveying nozzle 1 having yarn inlet 5 , and section 7 . 2 , arranged downstream from section 7 . 1 , having a plug outlet 6 .
  • plug channel 31 is formed by a gas-permeable chamber wall 8 .
  • Gas-permeable chamber wall 8 comprises a multiplicity of blades 9 that are arranged in a ring in close proximity to each other. Blades 9 are held by blade holders 10 . 1 on the upper end of section 7 . 1 and by holder 10 . 2 on the lower end of section 7 . 1 .
  • Blades 9 and holders 10 . 1 and 10 . 2 are arranged in housing 11 , whereby housing 11 is enclosed to the outside and connected to suction 12 by opening 32 .
  • blades 9 each comprise friction surface 14 .
  • Blades 9 are made of a ceramic material so that friction surfaces 14 consist of a wear-resistant material.
  • Enclosed chamber wall 15 is provided below the gas-permeable chamber wall 8 , which forms plug channel 33 .
  • Plug channel 33 is designed to have a larger diameter than the plug channel 31 in the area of the gas-permeable chamber wall 8 . At its end, plug channel 33 forms plug outlet 6 .
  • yarn 4 is transported through conveying nozzle 1 into yarn channel 3 by means of a conveying medium supplied via air inlet 16 .
  • Yarn 4 thereby enters into yarn channel 3 through inlet 21 .
  • Hot air or a hot gas are preferentially used as conveying medium.
  • the conveying medium flowing at high speed conveys yarn 4 at high speed to stuffer box 2 .
  • yarn plug 13 develops in plug channel 31 .
  • Yarn 4 comprised of a plurality of filaments, is deposited on the surface of yarn plug 13 in such a manner that the filaments form loops and coils.
  • the conveying medium is suctioned off between and past blades 9 through opening 32 .
  • Yarn plug 13 forming in plug channel 31 abuts on friction surfaces 14 of blades 9 .
  • the friction forces and the conveying pressure of the conveying medium acting on yarn plug 13 are essentially counterbalanced so that the yarn plug height within the yarn channel 31 remains essentially the same. Since blades 9 are manufactured from a ceramic material, the counterbalancing forces acting on yarn plug 13 are essentially maintained by constant pressure of the conveying medium.
  • yarn plug 13 After leaving plug channel 31 , yarn plug 13 enters into plug channel 33 that is formed by enclosed chamber wall 15 .
  • Enclosed chamber wall 15 that could be constructed from a tube, for example, serves to feed yarn plug 13 to a downstream placed cooling device not depicted here.
  • Plug channel 33 is designed larger than plug channel 31 so that only slight friction forces act on yarn plug 13 . Anti-wear protection is therefore unnecessary.
  • FIG. 2 schematically depicts an additional embodiment in a cross-sectional view.
  • the embodiment is essentially identical in its design to the previous embodiment according to FIG. 1 , so that hereafter only the essential differences will be pointed out.
  • components having identical functions are identically labeled.
  • conveying nozzle 1 For additional acceleration of the conveying medium in yarn channel 3 , conveying nozzle 1 comprises its smallest diameter directly downstream from air inlet 16 . The conveying medium is thereby accelerated to a supersonic flow velocity.
  • Yarn channel 3 merges into plug channel 31 that is formed by cylindrical body 18 .
  • cylindrical body 18 is arranged in the first section 7 . 1 of stuffer box 2 .
  • Cylindrical body 18 has distributed on its circumference several elongated slots 34 , whereby plug channel 31 is connected to the annulus 35 which is formed between the housing 11 and cylindrical body 18 .
  • the annulus 35 is connected to suction 12 via the opening 32 in the housing 11 .
  • cylindrical body 18 On the side facing yarn plug 13 , cylindrical body 18 has a coating 19 which forms a friction surface 14 to guide a yarn plug.
  • the coating 19 preferably consists of a ceramic material. However, metallic hard chrome layers or carbon compounds are also possible. Thus, cylindrical body 18 may also be manufactured from an aluminum material, which receives an aluminum oxide coating forming friction surface 14 . Elongated slots 34 extend at least over a portion of cylindrical body 18 . Elongated slots 34 extend at least over a portion of cylindrical body 18 .
  • the second section 7 . 2 of the stuffer box is formed by enclosed chamber wall 15 that comprises plug channel 33 .
  • Plug channel 33 forms at its end plug outlet 6 .
  • enclosed chamber wall 15 comprises contact surface 20 that also carries wear-resistant coating 35 .
  • conveying device 29 Formed out of two opposing rollers, conveying device 29 is attached directly to stuffer box 2 at plug outlet 6 . Conveying device 29 guides the yarn plug 13 to a cooling device 30 arranged downstream from conveying device 29 . Cooling device 30 could be constructed from a cooling barrel on whose circumference the yarn plug is cooled. Both conveying device 29 and cooling device 30 are furnished with a coating on their contact surfaces 37 and 38 .
  • FIGS. 3.1 and 3 . 2 schematically depict an embodiment of a conveying nozzle in a cross-sectional view as it might be used for example in the embodiment according to FIG. 1 or the embodiment according to FIG. 2 .
  • the conveying nozzle is thus depicted in FIG. 3.1 in a disassembled state and in FIG. 3.2 in an assembled state.
  • the following description applies for both illustrations, unless express reference is made to one of the illustrations.
  • Conveying nozzle 1 comprises in the areas of inlet 21 , air inlet 16 , outlet 24 , and grooves 36 . 1 , 36 . 2 , and 36 . 3 respectively.
  • Grooves 36 . 1 , 36 . 2 , and 36 . 3 are connected to each other by means of yarn channel 3 .
  • Pressure chamber 39 is designed in conveying nozzle 1 between grooves 36 . 1 and 36 . 2 .
  • Groove 36 . 1 in the intake section of conveying nozzle 1 serves to receive guide insert 22 . 1 .
  • Guide insert 22 . 1 forms an intake channel 23 that is arranged as an extension of yarn channel 3 .
  • Guide insert 22 . 1 is preferentially manufactured from ceramic material. However, it is also possible that guide insert 22 . 1 carries a coating in the area of the intake channel 23 .
  • Guide insert 22 . 2 is inserted into groove 36 . 2 .
  • Guide insert 22 . 2 forms air inlet 16 through which the conveying medium is fed from pressure chamber 39 into guide channel 26 of guide insert 22 . 2 .
  • Guide channel 26 of guide insert 22 . 2 is arranged as an extension of yarn channel 3 .
  • Insert 27 which forms intake channel 28 , is provided on the inlet side of guide insert 22 . 2 .
  • Intake channel 28 has a smaller diameter than guide channel 26 located downstream.
  • Insert 27 and guide insert 22 . 2 may also be preferentially manufactured from a ceramic material or furnished with a coating.
  • Guide insert 22 . 3 is embedded in groove 36 . 3 on the outlet side of conveying nozzle 1 .
  • Guide insert 22 . 3 forms outlet channel 25 that is arranged as an extension of yarn channel 3 and forms outlet 24 of conveying nozzle 1 .
  • Guide insert 22 . 3 is also preferentially manufactured from a ceramic material.
  • the conveying nozzle depicted in FIGS. 3.1 and 3 . 2 consists of a wear-resistant material especially in the contact and friction areas heavily stressed by the yarn so that stable and uniform yarn guidance as well as yarn conveying are achieved. In addition, the friction coefficients between the yarn and the contact or friction points are substantially decreased.
  • conveying nozzle 1 and stuffer box 2 are each preferentially formed out of two halves that are frictionally connected with each other during operation.
  • conveying nozzle 1 and stuffer box 2 are each preferentially formed out of two halves that are frictionally connected with each other during operation.
  • the device according to this invention thereby distinguishes itself especially by a high degree of wear-protection and thus stable friction behavior and non-sensitivity to yarn conditioning, as well as a substantial lengthening of the cleaning cycles due to the resistance to fouling.
  • the service life was increased 3- to 5-fold.
  • the device in accordance with this invention which was furnished with ceramic materials or ceramic material coatings, crimping of the yarn could be kept uniform over a substantially longer period than compared to conventional crimping devices. A significantly higher degree of production safety is thereby achieved.
  • German Patent Application 101 32 148.1 of Jul. 3, 2001 and PCT/EP02/07161 of Jun. 28, 2002 are incorporated herein by reference.
  • the German Patent Application and the PCT Application describe the invention described hereinabove and claimed in the claims appended hereinbelow and provided the basis for a claim of priority for the instant application.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Insulated Conductors (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
US10/482,489 2001-07-03 2002-06-28 Device for compression crimping Expired - Fee Related US7318263B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10132148 2001-07-03
DE101321481 2001-07-03
PCT/EP2002/007161 WO2003004743A1 (fr) 2001-07-03 2002-06-28 Dispositif de frisage par compression

Publications (2)

Publication Number Publication Date
US20040237211A1 US20040237211A1 (en) 2004-12-02
US7318263B2 true US7318263B2 (en) 2008-01-15

Family

ID=7690404

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/482,489 Expired - Fee Related US7318263B2 (en) 2001-07-03 2002-06-28 Device for compression crimping

Country Status (6)

Country Link
US (1) US7318263B2 (fr)
EP (1) EP1404910B2 (fr)
CN (1) CN100362153C (fr)
AT (1) ATE353109T1 (fr)
DE (1) DE50209409D1 (fr)
WO (1) WO2003004743A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE313652T1 (de) * 1998-08-27 2006-01-15 Saurer Gmbh & Co Kg Vorrichtung und verfahren zum stauchkräuseln eines synthetischen fadens
DE102004022469A1 (de) * 2004-05-06 2005-12-01 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Stauchkräuseln eines multifilen Fadens
DE102004043773A1 (de) 2004-09-10 2006-04-13 Saurer Gmbh & Co. Kg Keramikdüse und Vorrichtung zum Stauchkräuseln eines synthetischen multifilen Fadens
US7152288B1 (en) * 2005-07-07 2006-12-26 Celanese Acetate Llc Stuffer box crimper and a method for crimping
DE102014002318A1 (de) * 2014-02-19 2015-08-20 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Kräuseln multifiler Fäden

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949659A (en) 1956-05-24 1960-08-23 American Enka Corp Crimping apparatus
US3237270A (en) 1963-12-11 1966-03-01 Du Pont Stuffer box crimper with composite crimper discs
US3710460A (en) * 1971-03-17 1973-01-16 Du Pont Yarn treating jet having a guide fastened to its outlet end
US3808654A (en) 1969-07-31 1974-05-07 R Stanley Textile treatment method
US3935621A (en) 1973-01-18 1976-02-03 Akzona Incorporated Stuffer crimping apparatus
US4096611A (en) * 1976-08-03 1978-06-27 Heberlein Maschinenfabrik Ag Apparatus for moistening and texturing yarns
US4453298A (en) * 1980-03-31 1984-06-12 Rieter Machine Works, Ltd. Construction of thread texturizing nozzles
US4726098A (en) * 1986-10-24 1988-02-23 Burlington Industries, Inc. Combination vortex action processing and melt sizing of spun yarn
US4736500A (en) * 1987-07-09 1988-04-12 Milliken Research Corporation System to draw and texturize partially oriented yarn
US4794680A (en) 1985-12-20 1989-01-03 Union Carbide Corporation Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll
US4945718A (en) * 1988-08-27 1990-08-07 Fritz Stahlecker Air nozzle for pneumatic false-twist spinning
JPH04343727A (ja) 1991-05-15 1992-11-30 Aiki Seisakusho:Kk 巻縮加工機
US5351374A (en) 1992-02-07 1994-10-04 Werner Nabulon Method and an apparatus for the continuous crimping of thermoplastic threads
US5390400A (en) * 1992-07-10 1995-02-21 Hoechst Aktiengesellschaft Process for heat treating moving yarns and apparatus therefor
US5485662A (en) * 1994-04-29 1996-01-23 Hercules Incorporated Apparatus and method for crimping fiber for nonwoven applications
CN2279367Y (zh) 1997-01-20 1998-04-22 北京服装学院 叶片型长丝膨化变形器
US5768877A (en) * 1996-04-03 1998-06-23 Barmag Ag Heating device with exchangeable yarn guide insert
US6351877B1 (en) * 2000-05-31 2002-03-05 Eastman Chemical Company Synthetic fiber crimper, method of crimping and crimped fiber produced therefrom

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CA1287245C (fr) * 1985-12-20 1991-08-06 Union Carbide Corporation Surfaces metalliques au carbure resistant a l'usure, gravees au laser, pour cylindres de friction servant a l'ouvraison de pieces longues, production des surfaces, et ouvraison des pieces
GB2193232A (en) † 1986-06-17 1988-02-03 Rieter Ag Maschf Thread treating nozzles
DE19635736C2 (de) † 1996-09-03 2002-03-07 Saxonia Umformtechnik Gmbh Diamantähnliche Beschichtung
AT411467B (de) † 2000-01-12 2004-01-26 Sml Maschinengesellschaft Mbh Texturierdüse

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949659A (en) 1956-05-24 1960-08-23 American Enka Corp Crimping apparatus
US3237270A (en) 1963-12-11 1966-03-01 Du Pont Stuffer box crimper with composite crimper discs
US3808654A (en) 1969-07-31 1974-05-07 R Stanley Textile treatment method
US3710460A (en) * 1971-03-17 1973-01-16 Du Pont Yarn treating jet having a guide fastened to its outlet end
US3935621A (en) 1973-01-18 1976-02-03 Akzona Incorporated Stuffer crimping apparatus
US4096611A (en) * 1976-08-03 1978-06-27 Heberlein Maschinenfabrik Ag Apparatus for moistening and texturing yarns
US4453298A (en) * 1980-03-31 1984-06-12 Rieter Machine Works, Ltd. Construction of thread texturizing nozzles
US4794680A (en) 1985-12-20 1989-01-03 Union Carbide Corporation Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll
US4726098A (en) * 1986-10-24 1988-02-23 Burlington Industries, Inc. Combination vortex action processing and melt sizing of spun yarn
US4736500A (en) * 1987-07-09 1988-04-12 Milliken Research Corporation System to draw and texturize partially oriented yarn
US4945718A (en) * 1988-08-27 1990-08-07 Fritz Stahlecker Air nozzle for pneumatic false-twist spinning
JPH04343727A (ja) 1991-05-15 1992-11-30 Aiki Seisakusho:Kk 巻縮加工機
US5351374A (en) 1992-02-07 1994-10-04 Werner Nabulon Method and an apparatus for the continuous crimping of thermoplastic threads
US5390400A (en) * 1992-07-10 1995-02-21 Hoechst Aktiengesellschaft Process for heat treating moving yarns and apparatus therefor
US5485662A (en) * 1994-04-29 1996-01-23 Hercules Incorporated Apparatus and method for crimping fiber for nonwoven applications
US5768877A (en) * 1996-04-03 1998-06-23 Barmag Ag Heating device with exchangeable yarn guide insert
CN2279367Y (zh) 1997-01-20 1998-04-22 北京服装学院 叶片型长丝膨化变形器
US6351877B1 (en) * 2000-05-31 2002-03-05 Eastman Chemical Company Synthetic fiber crimper, method of crimping and crimped fiber produced therefrom

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Title
Qiliang et al., "Analysis on the Structure and Properties of BCF Jet Texturing Unit",China Synthetic Fibre Industry, Dec. 1996, vol. 19, No. 6.
Xinnan et al., "Filament Air-Jet Processing Method", Synthetic Fibre, 1998, vol. 3.

Also Published As

Publication number Publication date
EP1404910B2 (fr) 2011-06-15
CN100362153C (zh) 2008-01-16
DE50209409D1 (de) 2007-03-22
EP1404910B1 (fr) 2007-01-31
CN1511202A (zh) 2004-07-07
WO2003004743A1 (fr) 2003-01-16
ATE353109T1 (de) 2007-02-15
US20040237211A1 (en) 2004-12-02
EP1404910A1 (fr) 2004-04-07

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